Exam 15: Data Preparation and Description

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In the example,which of the following characteristics of coding rules did the researcher fail to address adequately?

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All of the following activities EXCEPT _____ are included in the data preparation process.

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In a standard normal distribution,the mean is _____ and the standard deviation is _____.

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Which of the following shapes best represents a normal distribution as it is depicted graphically?

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For the vacation survey,how many variables would be represented in the codebook with this question?

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Which of the following code descriptions is most appropriate for coding responses to the vacation survey?

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In the PLAVIX advertisement,the claim that adding PLAVIX to aspirin helps raise a person's protection against future heart attack is a _____ unit,because it makes an assertion about the benefits of aspirin alone.

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The median is an appropriate measure of central tendency for _____ data.

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Field editing is necessary to _____.

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Which of the following statements is not true of the mode?

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What are the four rules that guide the coding and categorization of a data record? Explain why each one is important for researchers.

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In the example,employment levels and student status are both included as response options.This indicates that the requirement for categories to be _____ may be in violation.

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A collection of data organized for computerized retrieval is called a _____.

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Which number below is frequently used to code missing responses?

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_____ involves assigning numbers or other symbols to answers so that the responses can be grouped into a limited number of categories.

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A _____ is equal to the observation minus the mean.

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What is the range for the array provided?

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Which of the following guidelines must be followed in the development and use of coding rules?

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